CN114850362A - One-step forming die for stamping and character clamping - Google Patents
One-step forming die for stamping and character clamping Download PDFInfo
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- CN114850362A CN114850362A CN202210673096.2A CN202210673096A CN114850362A CN 114850362 A CN114850362 A CN 114850362A CN 202210673096 A CN202210673096 A CN 202210673096A CN 114850362 A CN114850362 A CN 114850362A
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- shovel
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- 238000003825 pressing Methods 0.000 claims abstract description 64
- 238000005452 bending Methods 0.000 claims abstract description 27
- 238000005520 cutting process Methods 0.000 claims abstract description 23
- 238000000465 moulding Methods 0.000 claims abstract description 5
- 230000003247 decreasing effect Effects 0.000 claims abstract description 4
- 238000004080 punching Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 5
- 230000010365 information processing Effects 0.000 description 12
- 238000001467 acupuncture Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 230000000149 penetrating effect Effects 0.000 description 7
- 238000007664 blowing Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F45/00—Wire-working in the manufacture of other particular articles
- B21F45/16—Wire-working in the manufacture of other particular articles of devices for fastening or securing purposes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F1/00—Bending wire other than coiling; Straightening wire
- B21F1/004—Bending wire other than coiling; Straightening wire by means of press-type tooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F11/00—Cutting wire
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F23/00—Feeding wire in wire-working machines or apparatus
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention discloses a one-step forming die for a stamping and character-clamping device, which comprises: the lower die is sequentially provided with a wire feeding piece, a wire cutting piece and a forming assembly along the feeding direction; the molding assembly comprises an insert, a bending piece and a fork pressing piece; the upper die comprises a first shovel block, a second shovel block and a third shovel block, wherein the heights of the first shovel block, the second shovel block and the third shovel block are sequentially decreased; a sliding assembly; when the die is assembled, the first shoveling block is firstly matched with the outer end of the first sliding block and pushes the cutting piece to realize cutting, then the second shoveling block is matched with the outer end of the second sliding block and pushes the bending piece to press the wire into a U-shaped blank, and finally the third shoveling block is matched with the outer end of the third sliding block and pushes the clamping fork piece to press the U-shaped blank into a U-shaped finished product.
Description
Technical Field
The invention relates to the technical field of stamping dies, in particular to an one-step forming die for a stamping and character-clamping device.
Background
The shape of the fixing clip for packaging the shirt is like a Chinese character 'ji', so the fixing clip is commonly called as a 'ji' shaped clip; traditional shirt packing locating clip is the pin class, and its drawback that exists is: 1. the iron material is not environment-friendly and is not beneficial to recycling; 2. in the process of packaging, dismounting and using, the human body is easy to be punctured; the traditional plastic shirt packaging positioning clamp has the defects that: 1. the material is easy to break in a low-temperature environment; 2. the fastening force is not enough; 3. the volume is large; i have developed a clip with the shape of Chinese character're' aiming at the defects, such as a novel fixing clip disclosed in the Chinese granted utility model patent 201721208617.8. In the prior art, the mode of manufacturing the double-character clamp is manual assembly line processing, at least 3 working posts are sequentially arranged along the conveying direction of a conveying belt in the assembly line to cut, bend and cross wires, the defects of high labor cost, low production efficiency and low precision exist, and the production efficiency of the double-character clamp is limited.
Disclosure of Invention
The invention aims to provide a one-step forming die for stamping a clip, which is simple in structure, can sequentially perform the procedures of cutting, bending and forking on a wire by die assembly, further saves labor cost and improves production efficiency.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a one-shot forming die for stamping a clip, comprising:
the lower die is sequentially provided with a wire feeding piece, a wire cutting piece and a forming assembly along the feeding direction; the molding assembly comprises an insert, a bending piece and a fork pressing piece;
the upper die comprises a first shovel block, a second shovel block and a third shovel block, wherein the heights of the first shovel block, the second shovel block and the third shovel block are sequentially decreased;
the sliding assembly comprises a first sliding block, a second sliding block and a third sliding block; the first sliding block is in sliding fit with the lower die, the inner end of the first sliding block is connected with the material cutting piece, and the outer end of the first sliding block is matched with the first shovel block; the second sliding block is in sliding fit with the lower die, the inner end of the second sliding block is connected with the bending piece, and the outer end of the second sliding block is matched with the second shovel block; the third sliding block is in sliding fit with the lower die, the inner end of the third sliding block is connected with the pressure fork piece, and the outer end of the third sliding block is matched with the third shovel block;
when the die is assembled, the first shoveling block is firstly matched with the outer end of the first sliding block and pushes the cutting piece to realize cutting, then the second shoveling block is matched with the outer end of the second sliding block and pushes the bending piece to press the wire into a U-shaped blank, and finally the third shoveling block is matched with the outer end of the third sliding block and pushes the clamping fork piece to press the U-shaped blank into a U-shaped finished product.
More preferably, the outer ends of the first shovel block and the first sliding block can be but are not limited to slope fit, spherical fit and the like, and the fit mode between the rest shovel blocks and the sliding blocks is the same as the above fit mode, and is not described herein; further preferably, a first inclined plane facing the first sliding block is arranged at the end part of the first shovel block, and a second inclined plane matched with the first inclined plane is arranged on the first sliding block.
Preferably, the upper die further comprises a fourth shovel block, and the height of the fourth shovel block is greater than the height of the second shovel block and greater than the height of the third shovel block;
the forming assembly further comprises a press head piece, wherein the press head piece is positioned on the opposite side of the bending piece;
the sliding assembly further comprises a fourth sliding block, the fourth sliding block is in sliding fit with the lower die, the inner end of the fourth sliding block is connected with the pressure head, and the outer end of the fourth sliding block is matched with the fourth shovel block;
when the die is assembled, the bending piece extrudes the U-shaped blank, and the fourth shoveling piece is matched with the outer end of the fourth sliding block and pushes the pressing piece to press the cutting end of the U-shaped blank into a round head.
More preferably, the pressure head piece is provided with acupuncture points at one end close to the press bending piece, and the shape of the acupuncture points can be but is not limited to hemispherical or rectangular; further preferably, the acupuncture points are hemispherical; during the pressure head, hemispherical acupuncture point can press the cutting end of wire rod into hemispherical, and then plays the effect that reduces sharp angle, prevents the product scratch user.
Preferably, the lower die further comprises a first reset structure, a second reset structure, a third reset structure and a fourth reset structure; the first reset structure acts on the first sliding block, the second reset structure acts on the second sliding block, the third reset structure acts on the third sliding block, and the fourth reset structure acts on the fourth sliding block;
when the mold is opened, the first reset structure gives the first sliding block an outward sliding force, the second reset structure gives the second sliding block an outward sliding force, the third reset structure gives the third sliding block an outward sliding force, and the fourth reset structure gives the fourth sliding block an outward sliding force.
More preferably, the first reset structure includes a first spring, one end of the first spring abuts against the lower die, and the other end of the first spring abuts against the first slider, when the dies are closed, the first spring is compressed, when the dies are opened, the spring is released and gives the first slider an outward sliding elastic force, and the rest reset structures are the same as the working principle of the first reset structure, and are not described herein.
Preferably, the mold insert is an isosceles triangular prism, the pressure fork piece comprises a left pressing block and a right pressing block, the third sliding block can enable the left pressing block and the right pressing block to slide oppositely, anti-skidding structures are respectively arranged at the inner ends of the left pressing block and the right pressing block, and the anti-skidding structures are matched with the line diameter of the wire rod.
Wherein, isosceles triangular prism's lower bottom is straight towards the bending piece, isosceles triangular prism's first waist slope is towards the anti-skidding structure of briquetting left, isosceles triangular prism's second waist slope is towards the anti-skidding structure of briquetting right.
Preferably, the third sliding block comprises a left sliding structure, a right sliding structure and a connecting block, the inner end of the left sliding structure acts on the left pressing block, the inner end of the right sliding structure acts on the right pressing block, the outer end of the left sliding structure and the outer end of the right sliding structure are connected with the connecting block, and the connecting block is matched with the third shovel block.
Preferably, the lower die further comprises a cross piece, and the cross piece is provided with a cross inclined surface facing the left pressing block or the right pressing block.
Preferably, one end of the left pressing block or the right pressing block close to the cross piece is provided with a clearance groove, so that the effect of increasing the stroke is achieved, and the U-shaped shape of the product is prevented from being restored due to insufficient deformation.
Preferably, the upper die further comprises an upper character pressing piece, and the lower die further comprises a lower character pressing piece corresponding to the upper character pressing piece.
Preferably, the forming assembly further comprises a limiting member, and the limiting member is arranged on the opposite side of the wire feeding member;
when the head end of the wire rod abuts against the limiting part, the wire feeding part stops feeding the wire.
More preferably, still include information processing module, information processing module can locate on the punching machine of outside, the locating part is proximity switch, proximity switch and information processing module electric signal connection, send the line spare to be connected through information processing module and external power source electricity, when the head of wire rod contradicts with proximity switch, proximity switch conveys the signal of telecommunication to information processing module, information processing module assigns the instruction of stop work to sending the line spare, send the line spare stop work, and then realize stopping to send the line, avoid wire rod overlength or short, be favorable to improving the yield of product.
Preferably, the upper die further comprises a pressing member, wherein the pressing member can press an elastic position on any vertical edge of the U-shaped blank, and the elastic position is in an obtuse angle shape.
Preferably, the lower die further comprises an ejection structure, and the ejection structure acts on the intersection of the inverted-shaped finished product.
More preferably, the ejection structure comprises an ejector pin and an air blowing piece, the top end of the ejector pin acts on the cross part of the product, an air outlet of the air blowing piece faces towards the product, and the product demoulding effect is improved.
The invention has the beneficial effects that: the wire feeding piece conveys a wire between the upper die and the lower die, then the upper die is pressed downwards, in the process of pressing the upper die downwards, the first shoveling block is firstly matched with the outer end of the first sliding block and pushes the wire cutting piece to realize wire cutting, then the second shoveling block is matched with the outer end of the second sliding block and pushes the bending piece to press the wire into a U-shaped blank, finally the third shoveling block is matched with the outer end of the third sliding block and pushes the fork pressing piece to press the U-shaped blank into a double-shaped finished product, and only a finished product can be taken out during die opening.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of a lower mold structure of an embodiment of the present invention;
FIG. 3 is one of the longitudinal sectional views of FIG. 2;
FIG. 4 is a second longitudinal cross-sectional view of FIG. 2;
FIG. 5 is an exploded view of a lower die of an embodiment of the present invention;
FIG. 6 is an enlarged view of a portion of FIG. 5 at A;
FIG. 7 is a partial enlarged view of the portion B in FIG. 5;
fig. 8 is a schematic structural view of an upper mold according to an embodiment of the present invention.
Shown in the figure: 1-lower mould;
11-a wire feeding member;
12-a wire cutting member;
13-forming element, 131-insert, 132-bending element, 1321-U-shaped notch, 133-clamping element, 1331-left pressing block, 1332-right pressing block, 13321-clearance groove, 134-limiting element and 135-pressing element;
14-a first cavity;
15-a second cavity;
a 16-L shaped cavity;
17-a slider seat;
18-a fourth cavity;
19-a cross-piece;
101-pressing the character;
102-an ejection structure;
2-upper mould;
21-the first shovel block is provided with a shovel block,
22-a second shovel block;
23-pressing the character piece;
24-a creasing element;
3-a sliding assembly;
31-a first slider;
32-a second slider;
33-a third sliding block, 331-a left sliding structure, 332-a right sliding structure and 333-a connecting block; 34-fourth slider.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 8, in the present embodiment, an one-step forming mold for stamping a clip includes:
the device comprises a lower die 1, wherein a wire feeding piece 11, a wire cutting piece 12 and a forming assembly 13 are sequentially arranged on the lower die 1 along a feeding direction; the molding assembly 13 comprises an insert 131, a bending part 132 and a fork pressing part 133;
the upper die 2 comprises a first shovel block 21, a second shovel block 22 and a third shovel block (not shown in the figure), the heights of which are sequentially decreased progressively;
a sliding assembly 3, said sliding assembly 3 comprising a first slider 31, a second slider 32 and a third slider 33; the first sliding block 31 is in sliding fit with the lower die 1, the inner end of the first sliding block 31 is connected with the material cutting part, and the outer end of the first sliding block 31 is matched with the first shovel block 21; the second slide block 32 is in sliding fit with the lower die 1, the inner end of the second slide block 32 is connected with the bending piece 132, and the outer end of the second slide block 32 is matched with the second shovel block 22; the third sliding block 33 is in sliding fit with the lower die 1, the inner end of the third sliding block 33 is connected with the pressure fork 133, and the outer end of the third sliding block 33 is matched with a third shovel block (not shown);
when the dies are closed, the first shoveling block 21 first cooperates with the outer end of the first slide block 31 and pushes the wire cutting member 12 to cut the wire, then the second shoveling block 22 cooperates with the outer end of the second slide block 32 and pushes the bending member 132 to press the wire into a "u" -shaped blank, and finally the third shoveling block (not shown) cooperates with the outer end of the third slide block 33 and pushes the fork 133 to press the u-shaped blank into a "re" -shaped finished product.
In this embodiment, the wire is a copper wire.
More preferably, the outer ends of the first shovel block 21 and the first slider 31 may be, but not limited to, slope fit, spherical fit, etc., and the fitting manner between the remaining shovel blocks and the sliders is the same as the aforementioned fitting manner, which is not described herein again; further preferably, the end of the first shovel block 21 is provided with a first inclined surface facing the first slider 31, and the first slider 31 is provided with a second inclined surface matching with the first inclined surface.
In this embodiment, please refer to fig. 3 and 8, the wire cutting element 12 is a blade, the inner end of the first sliding block 31 is connected to the blade through a screw, the lower die 1 is provided with a first cavity 14, the first sliding block 31 is in sliding fit with the first cavity 14, the outer end of the first sliding block 31 is exposed outside the first cavity 14, and the tail end of the first sliding block 31 is provided with a second inclined surface facing the first shovel 21, the first resetting structure includes a first through rod and a first spring penetrating the first through rod, the inner end of the first spring is abutted against the cavity wall of the first cavity 14, and the outer end of the first spring is abutted against the first sliding block 31.
In this embodiment, referring to fig. 4 and 8, one end of the bending member 132 close to the insert 131 is provided with a u-shaped notch 1321, the lower mold 1 is provided with a second cavity 15, the second slider 32 is slidably engaged with the second cavity 15, the longitudinal section of the second slider 32 is "L" -shaped, the bending member 132 and the inner end of the second slider 32 are integrally formed, the outer end of the second slider 32 is exposed out of the second cavity 15 and has a fourth inclined surface facing the second shovel 22 at the end, the bottom end of the second shovel 22 has a third inclined surface facing the fourth inclined surface, the second resetting structure includes a second penetrating rod and a second spring penetrating the second penetrating rod, the inner end of the second spring abuts against the inner wall of the second cavity 15, and the outer end of the second spring abuts against the vertical section of the second slider 32.
Preferably, the third sliding block 33 includes a left sliding structure 331, a right sliding structure 332 and a connecting block 333, an inner end of the left sliding structure 331 acts on the left pressing block 1331, an inner end of the right sliding block acts on the right pressing block 1332, an outer end of the left sliding structure 331 and an outer end of the right sliding structure 332 are connected with the connecting block 333, and the connecting block 333 is matched with the third shoveling block (not shown).
In this embodiment, please refer to fig. 2 and fig. 6, the left sliding structure 331 includes a left horizontal section and a left vertical section, the left vertical section is connected to the left pressing block 1331 through a screw, the lower die 1 is provided with an L-shaped cavity 16, the left horizontal section is in sliding fit with the horizontal section of the L-shaped cavity 16, the left vertical section is in sliding fit with the vertical section of the L-shaped cavity 16, the third resetting structure includes a third through rod and a third spring penetrating the third through rod, one end of the third spring abuts against the inner wall of the vertical section of the L-shaped cavity 16, and the other end abuts against the left vertical section, so that the left pressing block 1331 has a resetting effect, the third resetting structure further includes a fourth through rod and a fourth spring penetrating the fourth through rod, one end of the fourth spring abuts against the inner wall of the horizontal section of the L-shaped cavity 16, and the other end abuts against the left horizontal section, so that the left horizontal section has a resetting effect; right sliding structure 332 includes right horizontal segment portion and right vertical segment portion, and right sliding structure 332 is the mirror image with the center of lower mould 1 with left sliding structure 331 and distributes, and the theory of operation is the same, and it does not need to be repeated here, and wherein, left horizontal segment portion do not expose outside lower mould 1 with the outer end of right horizontal segment, and connecting block 333 is connected with left horizontal segment portion and right horizontal segment and is equipped with the fifth inclined plane towards third shovel piece (not shown in the figure), and the bottom of third shovel piece (not shown in the figure) is equipped with the sixth inclined plane towards fifth inclined plane.
Preferably, the upper die 2 further includes a fourth shovel block (not shown), and the height of the fourth shovel block (not shown) is greater than the height of the second shovel block 22 and greater than the height of the third shovel block (not shown);
the molding assembly 13 further includes a press head member 135, the press head member 135 being located on an opposite side of the press bending member 132;
the sliding assembly 3 further comprises a fourth sliding block 34, the fourth sliding block 34 is in sliding fit with the lower die 1, the inner end of the fourth sliding block 34 is connected with the pressure head piece 135, and the outer end of the fourth sliding block 34 is matched with a fourth shovel block (not shown);
when the dies are closed, the bending member 132 presses out the u-shaped blank, and then the fourth pressing member (not shown) is engaged with the outer end of the fourth slider 34 and pushes the pressing member 135 to press the cut end of the u-shaped blank into a round head.
In this embodiment, the first shovel block 21, the second shovel block 22, the third shovel block (not shown), and the fourth shovel block (not shown) may be, but not limited to, disposed on the upper die 2 and the external stamping device, in this embodiment, the first shovel block 21 and the second shovel block 22 are disposed on the upper die 2, and the third shovel block (not shown) and the fourth shovel block (not shown) are disposed on the external stamping device, so that in the mold closing process, the first shovel block 21, the second shovel block 22, the fourth shovel block (not shown), and the third shovel block (not shown) may sequentially contact the corresponding sliders.
In this embodiment, please refer to fig. 7, the sliding block device further includes a sliding block seat 17 externally disposed on the lower die 1, the fourth sliding block 34 is in sliding fit with the sliding block seat 17, the lower die 1 is provided with a fourth cavity 18, the fourth resetting structure includes a fifth through rod and a fifth spring penetrating through the fifth through rod, one end of the fifth spring abuts against an inner wall of the fourth cavity 18, and the other end of the fifth spring abuts against the fourth sliding block 34.
More preferably, the pressure head 135 is provided with an acupuncture point at one end near the bending member 132, and the shape of the acupuncture point may be, but is not limited to, hemispherical or rectangular; further preferably, the acupuncture points are hemispherical; during the pressure head, hemispherical acupuncture point can press the cutting end of wire rod into hemispherical, and then plays the effect that reduces sharp angle, prevents the product scratch user.
Preferably, the lower die 1 further comprises a first reset structure, a second reset structure, a third reset structure and a fourth reset structure; the first reset structure acts on the first slider 31, the second reset structure acts on the second slider 32, the third reset structure acts on the third slider 33, and the fourth reset structure acts on the fourth slider 34;
when the mold is opened, the first reset structure gives an outward sliding force to the first slider 31, the second reset structure gives an outward sliding force to the second slider 32, the third reset structure gives an outward sliding force to the third slider 33, and the fourth reset structure gives an outward sliding force to the fourth slider 34.
More preferably, the first reset structure includes a first spring, one end of the first spring abuts against the lower die 1, and the other end of the first spring abuts against the first slider 31, when the dies are closed, the first spring is compressed, when the dies are opened, the spring is released and gives the first slider 31 an outward sliding elastic force, and the rest of the reset structures are the same as the working principle of the first reset structure, and are not described herein again.
Preferably, the insert 131 is an isosceles triangular prism, the pressure fork 133 includes a left pressure block 1331 and a right pressure block 1332, the third slide block 33 enables the left pressure block 1331 and the right pressure block 1332 to slide in opposite directions, and the inner ends of the left pressure block 1331 and the right pressure block 1332 are respectively provided with an anti-slip structure, and the anti-slip structure is adapted to the line diameter of the wire rod.
Wherein the lower base of the isosceles triangular prism is straight towards the bending piece 132, the first waist of the isosceles triangular prism is inclined towards the anti-slip structure of the left pressing block 1331, and the second waist of the isosceles triangular prism is inclined towards the anti-slip structure of the right pressing block 1332.
Preferably, the lower mold 1 further includes a cross piece 19, and the cross piece 19 has a cross slope facing the left pressing piece 1331 or the right pressing piece 1332.
More preferably, the left pressing piece 1331 or the right pressing piece 1332 is provided with a clearance groove 13321 at one end close to the cross piece 19, so as to achieve the effect of increasing the stroke and avoid the U shape of the product from being recovered due to insufficient deformation. In this embodiment, the right pressing block 1332 is provided with an empty avoiding groove 13321
Preferably, the upper die 2 further comprises an upper character pressing member 23, and the lower die 1 further comprises a lower character pressing member 101 corresponding to the upper character pressing member 23.
Preferably, the forming assembly 13 further includes a limiting member 134, and the limiting member 134 is disposed on the opposite side of the wire feeding member 11;
when the head end of the wire rod abuts against the limiting member 134, the wire feeding member 11 stops feeding the wire.
More preferably, still include information processing module, information processing module can locate on the outside punching machine tool, locating part 134 is proximity switch, proximity switch and information processing module signal of telecommunication are connected, send line spare 11 to be connected with external power supply through the information processing mould electricity, when the head of wire rod contradicts with proximity switch, proximity switch conveys the signal of telecommunication to information processing module, information processing module assigns the instruction of stop work to sending line spare 11, send line spare 11 stop work, and then realize stopping to send the line, avoid the wire rod overlength or short, be favorable to improving the goodness rate of product.
Preferably, the upper die 2 further comprises a pressing element 24, wherein the pressing element 24 is capable of pressing an elastic position on any vertical edge of the U-shaped blank, and the elastic position is obtuse-angled.
Preferably, the lower die 1 further comprises an ejection structure 102, and the ejection structure 102 acts on the intersection of the "re" shaped finished product.
More preferably, the ejection structure 102 includes a thimble and a blowing member, the top end of the thimble acts on the intersection of the products, and the air outlet of the blowing member faces the products, so as to improve the product demoulding effect.
In this embodiment, the lower die 1 is further provided with four guide pillars, and the upper die 2 is further provided with a guide sleeve matched with the guide pillars; the assembly is convenient, and the guiding function is realized when the die is opened and closed.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. A one shot forming mould for punching press word clamp again which characterized in that includes:
the lower die is sequentially provided with a wire feeding piece, a wire cutting piece and a forming assembly along the feeding direction; the molding assembly comprises an insert, a bending piece and a fork pressing piece;
the upper die comprises a first shovel block, a second shovel block and a third shovel block, wherein the heights of the first shovel block, the second shovel block and the third shovel block are sequentially decreased;
the sliding assembly comprises a first sliding block, a second sliding block and a third sliding block; the first sliding block is in sliding fit with the lower die, the inner end of the first sliding block is connected with the material cutting piece, and the outer end of the first sliding block is matched with the first shovel block; the second sliding block is in sliding fit with the lower die, the inner end of the second sliding block is connected with the bending piece, and the outer end of the second sliding block is matched with the second shovel block; the third sliding block is in sliding fit with the lower die, the inner end of the third sliding block is connected with the pressure fork piece, and the outer end of the third sliding block is matched with the third shovel block;
when the die is assembled, the first shoveling block is firstly matched with the outer end of the first sliding block and pushes the cutting piece to realize cutting, then the second shoveling block is matched with the outer end of the second sliding block and pushes the bending piece to press the wire into a U-shaped blank, and finally the third shoveling block is matched with the outer end of the third sliding block and pushes the clamping fork piece to press the U-shaped blank into a U-shaped finished product.
2. The one-step forming die for punching the herringbone clamp according to claim 1, wherein the upper die further comprises a fourth shovel block, and the height of the fourth shovel block is larger than that of the second shovel block and larger than that of the third shovel block;
the forming assembly further comprises a press head piece, wherein the press head piece is positioned on the opposite side of the bending piece;
the sliding assembly further comprises a fourth sliding block, the fourth sliding block is in sliding fit with the lower die, the inner end of the fourth sliding block is connected with the pressure head, and the outer end of the fourth sliding block is matched with the fourth shovel block;
when the die is assembled, the bending piece extrudes the U-shaped blank, and the fourth shoveling piece is matched with the outer end of the fourth sliding block and pushes the pressing piece to press the cutting end of the U-shaped blank into a round head.
3. The one-step forming die for punching the re-shaped clamp according to claim 2, wherein the lower die further comprises a first reset structure, a second reset structure, a third reset structure and a fourth reset structure; the first reset structure acts on the first sliding block, the second reset structure acts on the second sliding block, the third reset structure acts on the third sliding block, and the fourth reset structure acts on the fourth sliding block;
when the mold is opened, the first reset structure gives the first sliding block an outward sliding force, the second reset structure gives the second sliding block an outward sliding force, the third reset structure gives the third sliding block an outward sliding force, and the fourth reset structure gives the fourth sliding block an outward sliding force.
4. The one-step forming die for punching the re-shaped clamp according to claim 1, wherein the insert is an isosceles triangular prism, the pressure fork comprises a left pressing block and a right pressing block, the third sliding block enables the left pressing block and the right pressing block to slide oppositely, anti-slip structures are respectively arranged at the inner ends of the left pressing block and the right pressing block, and the anti-slip structures are matched with the line diameter of the wire rod.
Wherein, isosceles triangular prism's lower bottom is straight towards the bending piece, isosceles triangular prism's first waist slope is towards the anti-skidding structure of briquetting left, isosceles triangular prism's second waist slope is towards the anti-skidding structure of briquetting right.
5. The one-step forming die for punching the re-shaped clamp according to claim 4, wherein the third sliding block comprises a left sliding structure, a right sliding structure and a connecting block, the inner end of the left sliding structure acts on the left pressing block, the inner end of the right sliding block acts on the right pressing block, the outer end of the left sliding structure and the outer end of the right sliding structure are connected with the connecting block, and the connecting block is matched with the third shoveling block.
6. The one-shot forming die for punching a herringbone folder as recited in claim 4, wherein the lower die further comprises a cross member having a cross slope, the cross slope facing the left pressing block or the right pressing block.
7. The one-step forming die for punching the re-character clip as claimed in claim 1, wherein the upper die further comprises an upper character pressing member, and the lower die further comprises a lower character pressing member corresponding to the upper character pressing member.
8. The one-step forming die for punching the re-shaped clamp according to claim 1, wherein the forming assembly further comprises a limiting member, and the limiting member is arranged on the opposite side of the wire feeding member;
when the head end of the wire rod abuts against the limiting part, the wire feeding part stops feeding the wire.
9. The single-step forming die for U-shaped blank according to claim 1, wherein said upper die further comprises a pressing member capable of pressing an elastic portion on any one of the vertical edges of the U-shaped blank, said elastic portion being obtuse-angled.
10. The one-shot forming die for punching a re-shaped clamp according to claim 1, wherein the lower die further comprises an ejection structure, and the ejection structure acts on the intersection of the re-shaped finished product.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210673096.2A CN114850362B (en) | 2022-06-14 | 2022-06-14 | One-time forming die for stamping character clips |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210673096.2A CN114850362B (en) | 2022-06-14 | 2022-06-14 | One-time forming die for stamping character clips |
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| CN114850362A true CN114850362A (en) | 2022-08-05 |
| CN114850362B CN114850362B (en) | 2024-04-16 |
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| CN202210673096.2A Active CN114850362B (en) | 2022-06-14 | 2022-06-14 | One-time forming die for stamping character clips |
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|---|---|
| CN114850362B (en) | 2024-04-16 |
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